Finding the Fourth Proportional to 702,610.79, 1,053,945.35 and 203,974.79
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Solution
The fourth proportional to 702,610.79, 1,053,945.35 and 203,974.79 is: 305,970.65
Step by Step Solution
- Step 1: Write the proportion equation
702,610.79 : 1,053,945.35 = 203,974.79 : x - Step 2: Convert to fraction form
702,610.79/1,053,945.35 = 203,974.79/x - Step 3: Cross multiply
702,610.79x = 1,053,945.35 × 203,974.79 - Step 4: Simplify right side
702,610.79x = 214,978,280,417.85 - Step 5: Solve for x
x = 214,978,280,417.85/702,610.79 - Step 6: Final answer
x = 305,970.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.